tensorfunc:dispatcher，cblas，openblas支持

Author: miaobyte

excuter/cpp-common/src/deepx/tensorfunc/changeshape.hpp

@@ -0,0 +1,48 @@
+#ifndef DEEPX_TENSORFUNC_CHANGE_SHAPE_HPP
+#define DEEPX_TENSORFUNC_CHANGE_SHAPE_HPP
+
+#include "deepx/tensor.hpp"
+#include "stdutil/error.hpp"
+
+namespace deepx::tensorfunc
+{
+
+    // 通用模板声明
+    template <typename Author, typename T>
+    struct InitDispatcher
+    {
+        static void reshape(Tensor<T> &tensor, const Shape &new_shape) = delete;
+    };
+
+    template <typename Author, typename T>
+    void reshape(Tensor<T> &tensor, const Shape &new_shape)
+    {
+        InitDispatcher<Author, T>::reshape(tensor, new_shape);
+    }
+
+    // // 作者特化示例（类型无关实现）
+    // template <typename T>
+    // struct InitDispatcher<miaobyte, T>
+    // {
+    //     static void reshape(Tensor<T> &tensor, const Shape &new_shape)
+    //     {
+    //         // 统一实现，不依赖T的类型
+    //         if (tensor.shape.size() != new_shape.size())
+    //         {
+    //             throw std::invalid_argument("Total elements must match");
+    //         }
+    //         tensor.shape = new_shape;
+    //     }
+    // };
+    // 特化作者和具体精度
+    // template <>
+    // struct InitDispatcher<miaobyte, float>
+    // {
+    //     static void reshape(Tensor<float> &tensor, const Shape &new_shape)
+    //     {
+    //         // CUDA实现
+    //     }
+    // };
+}
+
+#endif